| 1 | /** |
| 2 | * Copyright (c) Meta Platforms, Inc. and affiliates. |
| 3 | * |
| 4 | * This source code is licensed under the MIT license found in the |
| 5 | * LICENSE file in the root directory of this source tree. |
| 6 | */ |
| 7 | 'use strict'; |
| 8 | |
| 9 | const { |
| 10 | parse, |
| 11 | SimpleTraverser: {traverse}, |
| 12 | } = require('hermes-parser'); |
| 13 | const fs = require('fs'); |
| 14 | const through = require('through2'); |
| 15 | const gs = require('glob-stream'); |
| 16 | |
| 17 | const {evalStringConcat} = require('../shared/evalToString'); |
| 18 | |
| 19 | const warnings = new Set(); |
| 20 | |
| 21 | function transform(file, enc, cb) { |
| 22 | fs.readFile(file.path, 'utf8', function (err, source) { |
| 23 | if (err) { |
| 24 | cb(err); |
| 25 | return; |
| 26 | } |
| 27 | |
| 28 | let ast; |
| 29 | try { |
| 30 | ast = parse(source); |
| 31 | } catch (error) { |
| 32 | console.error('Failed to parse source file:', file.path); |
| 33 | throw error; |
| 34 | } |
| 35 | |
| 36 | traverse(ast, { |
| 37 | enter() {}, |
| 38 | leave(node) { |
| 39 | if (node.type !== 'CallExpression') { |
| 40 | return; |
| 41 | } |
| 42 | const callee = node.callee; |
| 43 | if ( |
| 44 | callee.type === 'MemberExpression' && |
| 45 | callee.object.type === 'Identifier' && |
| 46 | callee.object.name === 'console' && |
| 47 | callee.property.type === 'Identifier' && |
| 48 | (callee.property.name === 'warn' || callee.property.name === 'error') |
| 49 | ) { |
| 50 | // warning messages can be concatenated (`+`) at runtime, so here's |
| 51 | // a trivial partial evaluator that interprets the literal value |
| 52 | try { |
| 53 | const warningMsgLiteral = evalStringConcat(node.arguments[0]); |
| 54 | warnings.add(warningMsgLiteral); |
| 55 | } catch { |
| 56 | // Silently skip over this call. We have a lint rule to enforce |
| 57 | // that all calls are extractable, so if this one fails, assume |
| 58 | // it's intentional. |
| 59 | } |
| 60 | } |
| 61 | }, |
| 62 | }); |
| 63 | |
| 64 | cb(null); |
| 65 | }); |
| 66 | } |
| 67 | |
| 68 | gs([ |
| 69 | 'packages/**/*.js', |
| 70 | '!packages/*/npm/**/*.js', |
| 71 | '!packages/react-devtools*/**/*.js', |
| 72 | '!**/__tests__/**/*.js', |
| 73 | '!**/__mocks__/**/*.js', |
| 74 | '!**/node_modules/**/*.js', |
| 75 | ]).pipe( |
| 76 | through.obj(transform, cb => { |
| 77 | const warningsArray = Array.from(warnings); |
| 78 | warningsArray.sort(); |
| 79 | process.stdout.write( |
| 80 | `/** |
| 81 | * Copyright (c) Meta Platforms, Inc. and affiliates. |
| 82 | * |
| 83 | * This source code is licensed under the MIT license found in the |
| 84 | * LICENSE file in the root directory of this source tree. |
| 85 | * |
| 86 | * @flow strict |
| 87 | * @noformat |
| 88 | * @oncall react_core |
| 89 | */ |
| 90 | |
| 91 | export default ${JSON.stringify(warningsArray, null, 2)}; |
| 92 | ` |
| 93 | ); |
| 94 | cb(); |
| 95 | }) |
| 96 | ); |